42497856374 has 4 divisors (see below), whose sum is σ = 63746784564. Its totient is φ = 21248928186.

The previous prime is 42497856319. The next prime is 42497856397. The reversal of 42497856374 is 47365879424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10624464092 + ... + 10624464095.

It is an arithmetic number, because the mean of its divisors is an integer number (15936696141).

Almost surely, 2^42497856374 is an apocalyptic number.

42497856374 is a deficient number, since it is larger than the sum of its proper divisors (21248928190).

42497856374 is a wasteful number, since it uses less digits than its factorization.

42497856374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21248928189.

The product of its digits is 40642560, while the sum is 59.

The spelling of 42497856374 in words is "forty-two billion, four hundred ninety-seven million, eight hundred fifty-six thousand, three hundred seventy-four".